.head{background-color: #1f1f1f;border-bottom: 1px solid #aec7ec;}
.nav li.active{border-bottom: 2px solid #fff;}
.nav li.active a{color:#00bdff;}
.dtn{border: 1px solid #ccc;}
.nav li a{color: #fff;}

.dtn,.zhuce{border: 1px solid #ccc;padding: 5px 15px;border-radius: 15px;color: #fff !important;}
.zhuce{margin: 0 30px 0 10px;background-color: #ed510a;border: none;}

/* banner */
.banner{background-color: #1f1f1f;text-align: center;height: 300px;}

/* 内容 */
.content{margin-top: -160px;}
.szyh-pir{box-sizing: border-box;}
.szyh-pir .szyh-pir-left{width: 620px;height: 290px;background-color: #fff;}
.szyh-pir .szyh-pir-right{width: 580px;height: 290px;}
.szyh-pir-box{padding: 45px 100px 0 45px;}
.szyh-pir-left p{font-size: 14px;color: #999;font-weight: bold; line-height: 22px; display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 4;overflow: hidden;}
.szyh-pir-left h2{font-size: 22px;color: #000;font-weight: bold;margin: 20px 0;}

.szyh-pir-right img{width: 580px;height: 100%;}

.content-text-top{height: 230px;background-color: #f8f9fb;padding: 50px 0 0 45px;position: relative;}
.content-text-top p{line-height: 23px;color: #181818;font-size: 14px;margin-top: 26px;margin-right: 60px;margin-bottom: 10px;}
.content-text-top span{margin-left: 1000px;font-size: 12px;color: #666;margin-top: 10px;}
.content-text-top span::before{content: '';height: 4px;width: 14px;background-color: #00bdff;display: inline-block;position: absolute;bottom: 164px;right: 160px;}
.content-text-btn{height: 200px;background-color: #f8f9fb;}


.content-text-btn h3{font-size: 22px;color: #601818;line-height: 30px;}
.content-text-btn p{line-height: 22px;color: #000;}
.content-text-box{padding: 10px 0 0 45px;margin-right: 60px;}

.content-bigpir{height: 620px;background-color: #f8f9fb;}
.content-bigpir img{width: 1100px;height: 100%;margin: 0 60px 0 40px;}
